crowds have gathered for days of protests in central cairo. in the latest police fired teargas at demonstrators marching from the square to the government district. the protesters say they will stay in the streets until the president with draws his decision. >> translator: it is a big mistake if president morsi thinks he can do whatever he wants. he should listen to the people. >> translator: we want to see a president that represents ejipss from all backgrounds, not a president of the muslim brotherhood. >> morsi's decrees will make it impossible for judicial courts to over turn his decisions. he has told judges he will respect the judiciary but will not retract his announcement. police have fought repeated by with protesters since he made the declaration last week. the fighting left two people dead and more than 400 injured. >>> forensic experts are testing bone samples from the body of a man who symbolized the plight of palestinians. they're checking for tracing of a radioactive poison in the remains of yasser arafat and hoping to shed ligh